Window treatments are installed inside the window casing.
INSIDE MOUNT
1. Measure Depth:
A minimum 2 1/2 inches window frame depth is required for Inside Mount. When install depth less than 4 5/8 inches, the shade will extend beyond the window frame.
*Please consider special structure like sash windows and handles or cranks, don’t forget to measure them and make allowances.
2. Measure Width:
Measure the width of window openness across the top, middle and bottom to make more accurate, take note of the smallest measurement to 1/16 inch.
*Tiles, skirting board or decorative trims also should be considered.allowances.
3. Measure Height:
Measure the height of window openness from top to sill across right, middle and left, take down the smallest one to 1/8 inch.
Note: Inside mount dual shades will have a small deduction automatically applied by the manufacturer to ensure proper fit.